BA 9142 en 02/2015
Faults
Remedy
Possible causes
Pressure monitor triggers
alarm.
Oil level too low.
Oil pump defective.
Operating temperature increased.
Oil filter dirty.
Pipes leaky.
Device defective.
Check the oil level.
Fill up oil if necessary.
Check oil pump and replace if
necessary.
See Faults "Operating temperature too
high".
Clean the oil filter.
Consult operating instructions for
oil-supply system.
Check and, if necessary replace pipes.
Check device and replace it
if necessary.
Increased operating
temperature.
Oil level in the gear unit housing
too high.
Oil too old.
Oil badly contaminated.
Oil pump defective.
Oil filter dirty.
Cooler defective (dirty).
Cooling-water feed and/or
cooling-air feed defective.
Electrical equipment defective.
Check the oil level. Adjust oil level if
necessary.
Contact Customer Service.
Check date of last oil change.
Contact Customer Service.
Change oil.
Check oil pump,
and change if necessary. Consult
operating instructions for oil-supply
system.
Clean the oil filter.
Consult operating instructions for
oil-supply system.
Check the cooler and replace it
if necessary. Observe operating
instructions for cooler.
Check cooling-water feed and/or
cooling-air feed. Observe operating
instructions for cooler.
Check electrical devices and replace
them if necessary.
Excessive temperature on
temperature sensor in tilting
pad thrust bearing.
Oil filter dirty.
Oil quantity to tilting pad thrust
bearing too small.
Monitoring devices defective.
May also be connected with altered
grinding parameters, e. g. raising of
the temperature of the gas in the
vertical mill.
Electrical equipment defective.
Check oil filter for dirt.
Consult operating instructions for
oil-supply system.
Check setting of the control valves.
Check all monitoring devices.
Observe operating instructions of the
monitoring devices.
Analyse and check milling parameters.
Check electrical devices and replace
them if necessary.